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Bluetooth: zero kpp input for key generation

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When generating new ECDH keys with kpp, the shared secret input needs to
be set to NULL. Fix this by including kpp_request_set_input call.

Fixes: 58771c1c ("Bluetooth: convert smp and selftest to crypto kpp
API")
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
This commit is contained in:
Marcel Holtmann 2017-04-30 06:51:40 -07:00 committed by Johan Hedberg
parent 2d6f1da168
commit f958315358
1 changed files with 1 additions and 0 deletions
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net/bluetooth/ecdh_helper.c
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@ -191,6 +191,7 @@ bool generate_ecdh_keys(u8 public_key[64], u8 private_key[32])
goto free_all;
sg_init_one(&dst, tmp, 64);
kpp_request_set_input(req, NULL, 0);
kpp_request_set_output(req, &dst, 64);
kpp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
ecdh_complete, &result);